.w2 {
  width: 100%;
}

/* 导航 */
nav {
  width: 1300px;
  margin: 0 auto;
  height: 120px;
  font-size: 14px;
}
nav h1 {
  width: 170px;
  height: 120px;
  display: inline-block;
}
nav h1 a {
  display: block;
  width: 170px;
  height: 120px;
}
.navbar-expand-lg .navbar-nav .dropdown-menu {
  z-index: 9999;
}
nav h1 a img {
  width: 100%;
  margin: 20px;
}
.navbar > .container,
.navbar > .container-fluid,
.navbar > .container-lg,
.navbar > .container-md,
.navbar > .container-sm,
.navbar > .container-xl,
.navbar > .container-xxl {
  justify-content: space-between;
}
.nav-item a {
  position: relative;
}
.nav-item .goCar span {
  display: inline-block;
  color: red;
  font-size: 13px;
}
.nav-item a:hover:after {
  content: "";
  display: inline-block;
  width: 30px;
  height: 3px;
  background-color: #5eb69c;
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
}
/* 底部 */
footer {
  width: 100%;
  height: 600px;
  background-color: rgb(51, 51, 51);
  color: #e5e5e5;
}

.wrapper {
  width: 1300px;
  margin: 0 auto;
}
/* 服务 */
.service {
  padding: 60px 0;
  height: 178px;
  border-bottom: 1px solid #e8e8e8;
}

.service ul {
  display: flex;
  justify-content: space-evenly;
}

.service li {
  display: flex;
  width: 190px;
  height: 58px;
  /* background-color: pink; */
}

.service li h5 {
  margin-right: 20px;
  width: 58px;
  height: 58px;
}

.service li p {
  font-size: 28px;
  line-height: 58px;
}

.service li:nth-child(2) h5 {
  background-position: 0 -58px;
}
.service li:nth-child(3) h5 {
  background-position: 0 -116px;
}
.service li:nth-child(4) h5 {
  background-position: 0 -174px;
}

/* 帮助中心 */
.help {
  display: flex;
  justify-content: space-between;
  padding-top: 60px;
  height: 300px;
  /* background-color: pink; */
}

/* left */
.help .left {
  display: flex;
}

.help .left dl {
  margin-right: 84px;
}

.help .left dl:last-child {
  margin-right: 0;
}

.help .left dt {
  margin-bottom: 30px;
  font-size: 18px;
}

.help .left dd {
  margin-bottom: 10px;
}

.help .left a {
  color: #969696;
}

.help .left .iconfont {
  color: #5eb69c;
}

/* right */
.help .right ul {
  display: flex;
}

.help .right li:first-child {
  margin-right: 55px;
}

.help .right .pic {
  margin-bottom: 10px;
  width: 120px;
  height: 120px;
}

.help .right p {
  color: #969696;
  text-align: center;
}

/* 版权 */
.copyright {
  text-align: center;
}

.copyright p {
  margin-bottom: 10px;
  color: #a1a1a1;
}

.copyright p a {
  margin: 0 10px;
  color: #a1a1a1;
}

.toTop {
  position: fixed;
  width: 50px;
  height: 60px;
  bottom: 10%;
  right: 7%;
  line-height: 60px;
  font-size: 25px;
  color: #000;
  background-color: #5eb69c;
  cursor: pointer;
  border-radius: 30px 30px 0 0;
}
.toTop:hover {
  background-color: #c81623;
  color: #fff;
}

.toTop::selection {
  background-color: transparent;
}
